نتایج جستجو برای: spill over

تعداد نتایج: 1139763  

2012
Maged MARGHANY

Abstract: The main objective of this work is to utilize automatic detection algorithm for oil spill pixels in multimode (Standard beam S2, Wide beam W1 and fine beam F1) RADARSAT-1 SAR satellite data and ENVISAT ASAR that were acquired in the Malacca Straits, and Gulf of Mexico, respectively. In doing so, neural network (NN) algorithm is implemented for oil spill detection. The results show tha...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2007
Henrik Alle Jörg R P Geiger

Presynaptic ionotropic GABA(A) receptors have been suggested to contribute to the regulation of cortical glutamatergic synaptic transmission. Here, we analyzed presynaptic GABA(A) receptor-mediated currents (34 degrees C) recorded from mossy fiber boutons (MFBs) in rat hippocampal slices. In MFBs from young and adult animals, GABA puff application activated currents that were blocked by GABA(A)...

Various nanocomposites of TiO2, ZnO and ZrO2 decorated single wall Carbon nanotubes (SWNTs) were fabricated by facile and template free continuous ultrasonication/stirring of virgin metal oxide nanopowders and SWNTs in ethanol under UV-light illumination. The TEM micrographs showed that nanoparticles (NPs) were uniformly dispersed and bonded on the surface of SWNTs. The results of XRD as well a...

Journal: :International Journal of Management Excellence 2013

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2012
Andrew Whitehead Benjamin Dubansky Charlotte Bodinier Tzintzuni I Garcia Scott Miles Chet Pilley Vandana Raghunathan Jennifer L Roach Nan Walker Ronald B Walter Charles D Rice Fernando Galvez

The biological consequences of the Deepwater Horizon oil spill are unknown, especially for resident organisms. Here, we report results from a field study tracking the effects of contaminating oil across space and time in resident killifish during the first 4 mo of the spill event. Remote sensing and analytical chemistry identified exposures, which were linked to effects in fish characterized by...

2006
Emanuele Angiuli Fabio Del Frate Luca Salvatori

Synthetic Aperture Radar (SAR) images from satellite missions provide a significant support to oil spill detection applications. On the other hands recent studies have demonstrated the potentialities of artificial neural networks for discrimination, starting from SAR imagery, between oil spills and objects which resemble oil spills (called “look-alikes”). The oil spill detection algorithm basic...

2001
H. ASSILZADEH

A successful combating operation to a marine oil spill is dependent on a rapid response from the time the oil spill is reported until it has been fully combated. In order to optimize the decision support capability of the surveillance system for oil spill contingency planning, a GIS database have been integrated with the detection tool. This paper demonstrate the parallel activities on remote s...

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